8490347 has 4 divisors (see below), whose sum is σ = 8496816. Its totient is φ = 8483880.

The previous prime is 8490341. The next prime is 8490379. The reversal of 8490347 is 7430948.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8490347 - 2²⁰ = 7441771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8490341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (2124204).

Almost surely, 2^8490347 is an apocalyptic number.

8490347 is a deficient number, since it is larger than the sum of its proper divisors (6469).

8490347 is a wasteful number, since it uses less digits than its factorization.

8490347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 8490347 is about 2913.8200013041. The cubic root of 8490347 is about 204.0054705056.

The spelling of 8490347 in words is "eight million, four hundred ninety thousand, three hundred forty-seven".